Product Details | RECESSED WASHER

5310-00-903-4861 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: 14000745444, 140-007-45-44-4, 5310-00-903-4861, 00-903-4861, 5310009034861, 009034861

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1960 00-903-4861

Drawings & Photos | NSN 5310-00-903-4861


Cross Reference | NSN 5310-00-903-4861

Part Number Cage Code Manufacturer
140-007-45-44-4 80070 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
140-007-45-44-4 97499 BELL HELICOPTER TEXTRON INC.

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Technical Data | NSN 5310-00-903-4861

Characteristic Specifications
MATERIAL STEEL COMP H11 OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-8837,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR 28 RECESSED BOTH SIDES
HOLE DIAMETER 1.131 INCHES MINIMUM AND 1.151 INCHES MAXIMUM
OUTSIDE DIAMETER 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM
MATERIAL THICKNESS 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
TOP RECESS DIAMETER 1.141 INCHES MINIMUM AND 1.146 INCHES MAXIMUM
BOTTOM RECESS DIAMETER 1.141 INCHES MINIMUM AND 1.146 INCHES MAXIMUM
BOTTOM RECESS ANGLE 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM
TOP RECESS ANGLE 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM
SURFACE FINISH 63.0 MICROINCHES ALL SURFACES

Restrictions/Controls & Freight Information | NSN 5310-00-903-4861

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5310-00-903-4861

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
V
EA : Each